package controller;

import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import util.LayData;
import util.Page;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")

public class AsyncController {

    @Autowired
    private UserService userService;

    @RequestMapping("/tolist")
    public String toList(){
        return "asyncuser/list";
    }
    @RequestMapping("/list")
    @ResponseBody
    public String findAll(User user,@RequestParam(value = "page",defaultValue = "1") int currentPage,
                          @RequestParam(value = "limit",defaultValue = "10")int pageSize,Model model){
        //查询记录数
        int totalCount = userService.count(user);
        //计算偏移量
        int offset = (currentPage - 1) * pageSize;
        List<User> users = userService.findAll(user,offset,pageSize);
        LayData layData = new LayData(0, "查询成功", totalCount, users);
        //返回json格式数据
        return JSON.toJSONString(layData);
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "asyncuser/add";
    }
    @RequestMapping("/addSave")
    @ResponseBody
    public String addUser(User user){
        int result = userService.addUser(user);
        if(result > 0){
            return "success";
        }else{
            return "error";
        }
    }
    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteUser(@PathVariable("id") int id){
        int result = userService.deleteUser(id);
        if(result > 0){
            return "success";
        }else{
            return "error";
        }
    }
    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateUser(User user){
        int result = userService.updateUser(user);
        if(result > 0){
            return "success";
        }else{
            return "error";
        }
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id, Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user",user);
        return "asyncuser/update";
    }
}
